Wolf 940
Imaginary Picture of Star Wolf 940
Star Name : Wolf 940
Alternate Name : 2MASS J21464040-0010233
Star Distance (LY/pc): 40.7695 (LY) 12.5000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.2915 (Rsun, estimated)
Stellar Mass (Msun): 0.2700 (Msun/observed) 0.2700 (Msun/estimated)
Spectral type : M4V
Metalicity : -0.0600
Absolute Magnitude : 12.22
Apparent Magnitude : 12.70
Right Ascension(RA) : 326.66843
Declination(DEC) : -0.17327
  • This is the Wolf 940 . The star Wolf 940 islocated about 40.8 light-years (12.5 pc) away from our Solar System.
  • The star Wolf 940 has apparent magnitude of 12.7, with absolute magnitude of 12.2.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3400 with its spectral types of M4V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Wolf 940 b radius 0.920000 mass 26.000000 orbital distance 400.000000
    (Illustration of the Wolf 940's Planetary System)



    The Star Wolf 940 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.073 AU ( 10922129.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.101 AU ( 15097236.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.154 AU ( 23004848.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.226 AU ( 33852641.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Wolf 940)



    Kopparapu's Recent Venus for Star Wolf 940 distance : 0.121 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Wolf 940 distance : 0.154 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Wolf 940 distance : 0.148 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Wolf 940 distance : 0.162 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Wolf 940 distance : 0.300 AU
    Kopparapu's Outer Boundary for Early Mars for Star Wolf 940 distance : 0.317 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Wolf 940)



  • Original Kopparapu Recent Venus for Star Wolf 940 distance : 0.120 AU
  • Original Kopparapu Runaway Greenhouse for Star Wolf 940 distance : 0.159 AU
  • Original Kopparapu Moist Greenhouse for Star Wolf 940 distance : 0.159 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Wolf 940 distance : 0.305 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Wolf 940 distance : 0.317 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Wolf 940)



    (Position in Stellar Map of star Wolf 940 )



    (Zoomed position in Stellar Map of star Wolf 940 (zoom level 3))